updated doc css #21

Job	Run time
Build (RelWithDebInfo-noEigen)	6m 24s
Build (RelWithDebInfo)	6m 58s
Build (Release)	3m 39s
Build (Debug)	4m 10s
Build & Test (RelWithDebInfo, no Eigen)	4m 44s
Build & Test (RelWithDebInfo + Eigen)	6m 2s
Build Docs	3m 5s
	35m 2s

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